.case_layout {
  width: 100%;
  max-width: 640px;
  min-width: 320px;
  margin: 0 auto;
}
.case_layout .topMenu {
  width: 100%;
  max-width: 640px;
  min-width: 320px;
  height: 40px;
  background-color: #f5f5f5;
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
}
.case_layout .topMenu .topMenuContainer {
  height: 40px;
  line-height: 40px;
}
.case_layout .topMenu .topMenuContainer .topBack {
  width: 9px;
  height: 16px;
  display: block;
  float: left;
  margin-top: 11px;
  background: url("../images/case/case_back.png") no-repeat center;
  background-size: 9px 16px;
}
.case_layout .topMenu .topMenuContainer p {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  font-weight: 900;
  font-size: 18px;
}
.case_layout .topMenu .topMenuContainer .topMore {
  width: 19px;
  height: 16px;
  background: url("../images/homepage/navigation_contact.png") no-repeat center;
  background-size: 19px 16px;
  float: right;
  margin-top: 11px;
}
.case_layout .tabControl {
  width: 100%;
  margin-top: 40px;
}
.case_layout .tabControl .tabTop {
  height: 37px;
  line-height: 37px;
  border-top: 1px solid #b1b1b1;
  border-bottom: 1px solid #b1b1b1;
}
.case_layout .tabControl .tabTop .tabText {
  text-align: center;
  float: left;
  box-sizing: border-box;
  width: 33.33%;
  font-size: 16px;
}
.case_layout .tabControl .tabTop .tabText:nth-child(2) {
  border-right: 1px solid #b1b1b1;
  border-left: 1px solid #b1b1b1;
}
.case_layout .tabControl .tabTop .tabText span {
  margin-right: 6px;
}
.case_layout .tabControl .tabContent {
  width: 100%;
}
.case_layout .tabControl .tabContent ul {
  display: none;
  padding: 10px;
  box-sizing: border-box;
}
.case_layout .tabControl .tabContent ul > li {
  width: calc(18%);
  border: 1px solid #ccc;
  box-sizing: border-box;
  float: left;
  margin-right: 5px;
  margin-bottom: 5px;
  text-align: center;
  font-size: 14px;
  line-height: 25px;
  height: 25px;
}
.case_layout .offer {
  width: 100%;
}
.case_layout .offer .offer_banner {
  width: 100%;
  padding-bottom: 5px;
  background-color: #eee;
}
.case_layout .offer .offer_banner img {
  width: 100%;
}
.case_layout .caseDetails {
  width: 100%;
}
.case_layout .caseDetails .caseDetails_l {
  width: 100%;
  border-bottom: 5px solid #eee;
}
.case_layout .caseDetails .caseDetails_l:nth-of-type(3) {
  border: none;
}
.case_layout .caseDetails .caseDetails_l img {
  width: 100%;
}
.case_layout .caseDetails .caseDetails_l .caseDetails_text {
  line-height: 45px;
  background-color: #fff;
  font-size: 16px;
}
.case_layout .caseDetails .caseDetails_l .caseDetails_text span:first-of-type {
  color: #282828;
  font-weight: bold;
  float: left;
}
.case_layout .caseDetails .caseDetails_l .caseDetails_text span:last-of-type {
  color: #535353;
  float: right;
}
.case_layout .caseDetails .readMore {
  width: 100%;
  padding: 18px 0;
}
.case_layout .caseDetails .readMore .readMore_btn {
  width: 90%;
  margin: 0 auto;
  display: block;
  background-color: #282828;
  font-size: 16px;
  color: #fff;
  height: 36px;
  border-style: none;
  border-radius: 3px;
}
.case_layout .footer {
  width: 100%;
  margin-top: 15px;
}
.case_layout .footer .footerTel {
  font-size: 14px;
  border-bottom: 1px solid #ccc;
  line-height: 28px;
  height: 28px;
  background-color: #eee;
  font-weight: bold;
  text-align: center;
}
.case_layout .footer .footerServe {
  width: 100%;
  background-color: #f8f8f8;
  text-align: center;
  padding-bottom: 70px;
  padding-top: 15px;
  line-height: 20px;
  font-size: 14px;
}
.case_layout .bottom_menu {
  width: 100%;
  height: 70px;
  background: url('../images/homepage/footer_bg.png') no-repeat center;
  -webkit-background-size: cover;
  background-size: cover;
  position: fixed;
  bottom: 0;
  left: 0;
  z-index: 999;
}
.case_layout .bottom_menu .bottom_menuList {
  width: 100%;
  padding: 0 10px;
  box-sizing: border-box;
}
.case_layout .bottom_menu .bottom_menuList li {
  float: left;
  width: 25%;
  text-align: center;
  margin: 25px auto 0;
  position: relative;
}
.case_layout .bottom_menu .bottom_menuList li p {
  margin-top: 5px;
  font-size: 14px;
}
.case_layout .bottom_menu .bottom_menuList li img {
  width: 20px;
  height: 20px;
}
.case_layout .bottom_menu .bottom_menuList li .footer_point {
  position: absolute;
  top: 0;
  right: 20px;
}
